Crest Technology


Here at Crest Technology, we supply composite seals including elastomers molded or bonded to a substrate of metal or plastic. We stock an extensive range of seals for a variety of applications and also produce specialist seals to meet your specifications. Our reliable composite seals include:

  • Access Door Seals
  • Dynamic Metal Seals
  • Fastener and Fitting Seals
  • Gask-O-Seals
  • Integral Seals
  • Lock-O-Seals
  • Metal Seals
  • O-Seals
  • Pipe Flange Gask-O-Seal
  • Stat-O-Seals
  • Thredseal
  • Wave Guides
  • One-piece Piston Seals


We provide a variety of grades and types of compounds, such as fluorocarbon, for all your application requirements. We are experts in the differences of each polymer type, what they are compatible with and what they should not be used for. Some of the compounds we offer include:

  • Butyl (IIR)
  • Chloroprene (Neoprene), (CR)
  • PolyAcrylate (ACM)
  • Ethylene Acrylate (AEM)
  • Ethylene Propylene (EPR, EPM, EPDM)
  • Fluorocarbon (FKM, FPM)
  • Fluorosilicone (FVMQ)
  • High Performance Fluoroelastomers (Hifluor)
  • Hydrogenated Nitrile (HNBR, HSN)
  • Nitrile (Buna-N, NBR)
  • Perfluoroelastomer (FFKM)
  • Polyurethane (AU, EU)
  • Silicone (VMQ, PVMQ)
  • Tetrafluoroethylene-Propylene (Aflas)

Dynamic Seals

We have an endless collection of dynamic seals available. We supply all types of traditional hydraulic and pneumatic sealing elements. We are specialists in fluid sealing materials and can supply an extensive assortment of solutions for any application. Our range of dynamic seals includes: 

  • Rod Seals
  • Piston Seals
  • PTFE seals
  • PTFE Spring Energized Seals
  • Wipers and Scrappers
  • Buffer Rings
  • Swivel Seals
  • Rotary Seals
  • Oil Seals
  • Bearing Isolators
  • Shaft Seals
  • Wear Rings and Bearings
  • V-packings
  • U-Cups
  • Polypak Seals 
  • T-seals
Dynamic Seals


We have worldwide support and availability from major o-ring manufacturers. We provide cost-effective, high production rate sourcing to the highest technologies of perfluoronated elastomers including Parofluor, Parofluor ULTRA, Kalrez, Chemraz, Simriz and Perlast. We provide the o-ring materials you require for your applications, in standard and non-standard custom sizes.


Semiconductor Seals

We use Parker Parofluor®, Paraflour Ultra®, Kalrez®, Simriz®, Chemraz® and Perlast® in semiconductor and chemical applications. These products come as standard or custom, in traditional or high-grade formulations. We provide semiconductor seals with high reliability, high purity, and high resistance to chemical and thermal degradation. We use semiconductor seals developed to solve unique problems.

Semiconductor Seals


We manufacture gaskets in a wide variety of sizes and geometries in almost any compound you require. Our specialty cut gaskets are produced from a variety of materials using a number of manufacturing methods including “clicker” presses, water jet, continuous die or rotary die cutting. Our diverse range of products includes:

  • Bi Laminate Seal
  • Die Cut and Water Jet Cut Gaskets
  • Floor Care Equipment Drive Belts
  • Lathe Cut Gaskets
  • Precision Cut Press-In-Places Seals
  • Specialty Lathe Cut Profiles
  • Tetraseal Circular Lathe Cut Seals

Sanitary and Hygienic Seals

We supply a full line of sanitary and hygienic seals to meet the Class VI, USP, Class 3-A, and Pharmacopeia quality levels demanded by pharmaceutical, biotech, food machine, and food processing companies. Our range of sanitary and hygienic seals includes:

  • Biological Indicators
  • Controlled Compression Gaskets
  • Laser Engraved Seals
  • Metal Detectable Elastomers
  • Orifice Plates
  • Platimun Cured Silicone Seals
  • Smart gaskets
  • Tuf-Flex
  • Tuf Steel
  • Screen Hygienic Seals
  • Sanitary Hygienic Seals
  • Specialty Seals and Gaskets
Sanitary and Hygienic Seals

EMI / RFI Shielding Products

We specialise in service, experience, technology, and unparalleled design capabilities of EMI / RFI shielding products. We work with Parker Chomerics to develop EMI / RFI shielding products including:

  • Adhesives, Sealants
  • Conductive Compounds
  • Conductive Elastomer Gaskets
  • Conductive Tapes and Laminates
  • Conductive Grounding Tabs
  • Metal EMI Products
  • O-Rings and D-Rings
  • Shielded Windows
  • Shielded EMI Vents
  • Thermal Grease and Gap fillers
  • Wave Guides
  • Wire Mesh Gaskets
EMI / RFI Shielding Products

Molded Shapes

We produce any molded shapes from elastomers to meet your specifications. We create specialty molded shapes including:

  • Balls
  • Bellows and Convulated Boots
  • Bumpers
  • Custom Molded Shapes
  • Diamond Seal
  • Diaphragms
  • Directional Valve Seals
  • Drop-In-Place Seals
  • Grommets, Plugs and Blushings
  • H-Seal
  • Over-Molded Sub-Assemblies
  • Press-In-Place Seals
  • Quad Rings
  • Sealing for Every Application
Molded Shapes

Medical Components Manufacturing

We specialise in medical components manufacturing with extensive in-house prototype and production tooling capabilities. Our medical components manufacturing provides medical and pharmaceutical OEMs including wide range of medical grade contract-molding services including:

  • Liquid silicone injection molding (LIM/LSR)
  • Silicone injection 
  • Flash-less-molding
  • Organic rubber injection
  • Compression molding 
  • Thermoplastic and TPE/TPU injection molding
Medical Components Manufacturing

Extruded Products

We specialise in the manufacture of extruded products including rubbers and other elastomer products. We produce long extruded products using lathe cutting to create a large variety of standard sections, including D, V, L and U shapes in standard size ranges. We provide products including:

  • Low Closure (LCF) Seals
  • D-Ring Seals (used in applications to prevent spiral failures)
  • Connector, Valve and Fitting Seals
  • Short Lip Seals
  • Omega Seals
  • Packer Elements (Oil and Gas Applications) 
  • Seals for the Communication Equipment Industries
Extruded Products

Sheet and Roll Stock

Our sheet and roll stock provides multiple thickness and width options. We have the ability to combine textile substrates for many diversified applications. Our expert materials knowledge allows us to fully understand your unique applications, specifications and tolerances to offer you the best solution. Our sheet and roll stock is available in:

  • Natural Rubber
  • Neoprene
  • EPDM
  • Nitrile
  • Ponge/cork Natural Rubber
  • SBR
  • EPDM
  • Polystyrene Polyethylene
  • Metallocene Resin
  • Polyurethane
  • PVC
Sheet and Roll Stock

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